Podcast
Questions and Answers
What is an electric field?
What is an electric field?
- A field that surrounds a charged Van de Graaff generator
- A force field that holds a satellite in orbit around a planet
- A force field that surrounds an electric charge or group of charges (correct)
- A gravitational force that holds an electron in orbit around a proton
How is the magnitude of an electric field measured?
How is the magnitude of an electric field measured?
- By its effect on charges located in the field (correct)
- By the distance between charges located in the field
- By the color of the charges in the field
- By the charge of the test charge placed in the field
What force holds a satellite in orbit around a planet?
What force holds a satellite in orbit around a planet?
- Magnetic force
- Electrical force
- Gravitational force (correct)
- Frictional force
In an electric field, where is the field considered strongest?
In an electric field, where is the field considered strongest?
What does an electric field have besides magnitude?
What does an electric field have besides magnitude?
How can you sense the force field around a charged Van de Graaff generator?
How can you sense the force field around a charged Van de Graaff generator?
What does the space around a concentration of electric charge contain?
What does the space around a concentration of electric charge contain?
How is the magnitude of an electric field measured?
How is the magnitude of an electric field measured?
What is the direction of an electric field at any point by convention?
What is the direction of an electric field at any point by convention?
What interaction causes a ball thrown upward to follow a curved path?
What interaction causes a ball thrown upward to follow a curved path?
What does the concept of a force field explain?
What does the concept of a force field explain?
What makes the hair on your body stand out when near a charged dome?
What makes the hair on your body stand out when near a charged dome?
Where is the field strength greater in an electric field surrounding charged particles?
Where is the field strength greater in an electric field surrounding charged particles?
What happens to the electric field inside a conductor?
What happens to the electric field inside a conductor?
How does the potential energy of a compressed spring and a charged object depend?
How does the potential energy of a compressed spring and a charged object depend?
What factor determines the amount of potential energy stored in a capacitor?
What factor determines the amount of potential energy stored in a capacitor?
When a capacitor discharges, what happens to the stored energy?
When a capacitor discharges, what happens to the stored energy?
In an electric field, what does the term 'dielectric constant' refer to?
In an electric field, what does the term 'dielectric constant' refer to?
